Patent US3260704A successfully refreshed from Google Patents.
US3260704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroxylated interpolymers and preparation
Assignee: Monsanto Co
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Filing: 1963-05-13
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Granted: 1966-07-12
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Expires: 1983-05-13
Abstract
No abstract record available.
Inventors
- 👤 Robert J Slocombe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:51
CPC Classifications
C; C08; C08F; C08F10/00; C08F214/00; C08F214/02; C08F214/04; C08F214/06; C08F22/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
AN INTERPOLYMER OF VINYL CHLORIDE, FURMARIC ACID DIESTER AND ISOBUTYLENE IN WHICH THE ESTERIFYING GROUPS ARE SELECTED FROM THE GROUP CONSISTING OF HYDROXYALKYL GROUPS CONTAINING NO MORE THAN 6 CARBON ATOMS AND ALKYL GROUPS CONTAINING NO MORE THA 10 CARBON ATOMS, THE VINYL CHLORIDE BEING IN THE RANGE OF 45 TO 90%, THE FUMARIC ACID DIESTER 8 TO 53%, AND ISOBUTYLENE, 2 TO 20% OF THE INTERPOLYMER WITH THE AMOUNTS OF THE FOREGOING MONOMERS BEING LIMITED TO A TOTAL OF 100% BY WEIGHT OF THE INTERPOLYMER AND THE INTERPOLYMER BEING PRODUCED BY FREERADICAL CATALYZED POLYMERIZATION OF THE FOREGOING MONOMERS IN ADMIXTURE.
Claim 2
Dependent Claim
101 words
AN INTERPOLYMER OF VINYL CHLORIDE, FURMARIC ACID DIESTER AND ISOBUTYLENE IN WHICH THE ESTERIFYING GROUPS ARE SELECTED FROM THE GROUP CONSISTING OF HYDROXYALKYL GROUPS CONTAINING NO MORE THAN 6 CARBON ATOMS AND ALKYL GROUPS CONTAINING NO MORE THA 10 CARBON ATOMS, THE VINYL CHLORIDE BEING IN THE RANGE OF 45 TO 90%, THE FUMARIC ACID DIESTER 8 TO 53%, AND ISOBUTYLENE, 2 TO 20% OF THE INTERPOLYMER WITH THE AMOUNTS OF THE FOREGOING MONOMERS BEING LIMITED TO A TOTAL OF 100% BY WEIGHT OF THE INTERPOLYMER AND THE INTERPOLYMER BEING PRODUCED BY FREERADICAL CATALYZED POLYMERIZATION OF THE FOREGOING MONOMERS IN ADMIXTURE.
References Cited (Backward Citations)
GB501669A
Cited
US3159610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |